महाभारतः mahābhārataḥ - book-3, chapter-40, verse-46

सुमुहूर्तं महद्युद्धमासीत्तल्लोमहर्षणम् ।
भुजप्रहारसंयुक्तं वृत्रवासवयोरिव ॥४६॥

46. sumuhūrtaṁ mahadyuddhamāsīttallomaharṣaṇam ,
bhujaprahārasaṁyuktaṁ vṛtravāsavayoriva.

46. sumuhūrtam mahat yuddham āsīt tat lomaharṣaṇam
bhujaprahārasaṃyuktam vṛtravāsavayoḥ iva

46. For a short duration, that great, hair-raising battle, which involved blows from their arms, was like the one between Vṛtra and Vāsava (Indra).

Words meanings summery:

• सुमुहूर्तम् (sumuhūrtam) - for a short while, for a good moment

• महत् (mahat) - great, large, vast

• युद्धम् (yuddham) - battle, fight, war

• आसीत् (āsīt) - was, existed

• तत् (tat) - that

• लोमहर्षणम् (lomaharṣaṇam) - hair-raising, thrilling, causing goosebumps

• भुजप्रहारसंयुक्तम् (bhujaprahārasaṁyuktam) - joined with arm-blows, connected with striking arms

• वृत्रवासवयोः (vṛtravāsavayoḥ) - of Vṛtra and Vāsava (Indra)

• इव (iva) - like, as, as if

Words meanings and morphology

सुमुहूर्तम् (sumuhūrtam) - for a short while, for a good moment

(noun)

Accusative, neuter, singular of sumuhūrta

sumuhūrta - a good or auspicious moment, a short while

Compound type : pra-ādi tatpurusha (su+muhūrta)

• su – good, well, very
  indeclinable
• muhūrta – a moment, a specific division of time (48 minutes)
  noun (masculine)

महत् (mahat) - great, large, vast

(adjective)

Nominative, neuter, singular of mahat

mahat - great, large, mighty

युद्धम् (yuddham) - battle, fight, war

(noun)

Nominative, neuter, singular of yuddha

yuddha - battle, fight, war

Past Passive Participle (from yudh)

Root: yudh (class 4)

आसीत् (āsīt) - was, existed

(verb)

3rd person , singular, active, past imperfect (laṅ) of as

Imperfect, Active Voice

root as (2nd class)

Root: as (class 2)

तत् (tat) - that

(pronoun)

Nominative, neuter, singular of tad

tad - that, he, she, it

लोमहर्षणम् (lomaharṣaṇam) - hair-raising, thrilling, causing goosebumps

(adjective)

Nominative, neuter, singular of lomaharṣaṇa

lomaharṣaṇa - causing the hair to stand on end, thrilling, horrifying

Compound type : tatpurusha (loman+harṣaṇa)

• loman – hair (on the body)
  noun (neuter)
• harṣaṇa – causing joy or thrill, exciting, causing to stand erect
  noun (neuter)
  causative noun from hṛṣ
  Root: hṛṣ (class 1)

भुजप्रहारसंयुक्तम् (bhujaprahārasaṁyuktam) - joined with arm-blows, connected with striking arms

(adjective)

Nominative, neuter, singular of bhujaprahārasaṃyukta

bhujaprahārasaṁyukta - connected with/joined by blows of the arm

Compound type : tatpurusha (bhuja+prahāra+saṃyukta)

• bhuja – arm, hand
  noun (masculine)
• prahāra – blow, stroke, attack
  noun (masculine)
  from pra-hṛ
  Prefix: pra
  Root: hṛ (class 1)
• saṃyukta – joined, connected, united
  participle (neuter)
  Past Passive Participle
  from sam-yuj
  Prefix: sam
  Root: yuj (class 7)

वृत्रवासवयोः (vṛtravāsavayoḥ) - of Vṛtra and Vāsava (Indra)

(proper noun)

Genitive, masculine, dual of vṛtravāsava

vṛtravāsava - Vṛtra and Vāsava

Compound type : dvandva (vṛtra+vāsava)

• vṛtra – name of a demon, Indra's adversary
  proper noun (masculine)
• vāsava – a name of Indra
  proper noun (masculine)
  descendant of Vasu

इव (iva) - like, as, as if

(indeclinable)